Alaska earthquakes

M3.4 earthquake 270 km SE of Chiniak, Alaska

A magnitude 3.4 earthquake struck 270 km SE of Chiniak, Alaska on Mon, Mar 18, 2019, 2:10 AM AKDT (10:10 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M3.6 213 km SE of Chiniak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.4 (ml), minor
Local time: Mon, Mar 18, 2019, 2:10 AM AKDT
UTC: 2019-03-18 10:10:01 UTC
Depth: 20.0 km (12.4 mi), shallow
Epicenter: 56.191° N, 148.684° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 11.4 km horizontally, 11.1 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 270°, poorly surrounded by stations
Stations used: 20

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 173 in the 60 days after this one and 26 in the 30 days before it.

After

The first 60 of 173.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us700038lv (also filed as aacse0193jie7jr, ak0193jie7jr). Read Tue, Sep 22, 2026, 8:24 PM UTC.